diff options
Diffstat (limited to 'qemu/roms/u-boot/include/zfs/dnode.h')
-rw-r--r-- | qemu/roms/u-boot/include/zfs/dnode.h | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/qemu/roms/u-boot/include/zfs/dnode.h b/qemu/roms/u-boot/include/zfs/dnode.h deleted file mode 100644 index 182dd9b41..000000000 --- a/qemu/roms/u-boot/include/zfs/dnode.h +++ /dev/null @@ -1,69 +0,0 @@ -/* - * GRUB -- GRand Unified Bootloader - * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ -/* - * Copyright 2010 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#ifndef _SYS_DNODE_H -#define _SYS_DNODE_H - -#include <zfs/spa.h> - -/* - * Fixed constants. - */ -#define DNODE_SHIFT 9 /* 512 bytes */ -#define DN_MIN_INDBLKSHIFT 10 /* 1k */ -#define DN_MAX_INDBLKSHIFT 14 /* 16k */ -#define DNODE_BLOCK_SHIFT 14 /* 16k */ -#define DNODE_CORE_SIZE 64 /* 64 bytes for dnode sans blkptrs */ -#define DN_MAX_OBJECT_SHIFT 48 /* 256 trillion (zfs_fid_t limit) */ -#define DN_MAX_OFFSET_SHIFT 64 /* 2^64 bytes in a dnode */ - -/* - * Derived constants. - */ -#define DNODE_SIZE (1 << DNODE_SHIFT) -#define DN_MAX_NBLKPTR ((DNODE_SIZE - DNODE_CORE_SIZE) >> SPA_BLKPTRSHIFT) -#define DN_MAX_BONUSLEN (DNODE_SIZE - DNODE_CORE_SIZE - (1 << SPA_BLKPTRSHIFT)) -#define DN_MAX_OBJECT (1ULL << DN_MAX_OBJECT_SHIFT) - -#define DNODES_PER_BLOCK_SHIFT (DNODE_BLOCK_SHIFT - DNODE_SHIFT) -#define DNODES_PER_BLOCK (1ULL << DNODES_PER_BLOCK_SHIFT) -#define DNODES_PER_LEVEL_SHIFT (DN_MAX_INDBLKSHIFT - SPA_BLKPTRSHIFT) - -#define DNODE_FLAG_SPILL_BLKPTR (1<<2) - -#define DN_BONUS(dnp) ((void *)((dnp)->dn_bonus + \ - (((dnp)->dn_nblkptr - 1) * sizeof(blkptr_t)))) - -typedef struct dnode_phys { - uint8_t dn_type; /* dmu_object_type_t */ - uint8_t dn_indblkshift; /* ln2(indirect block size) */ - uint8_t dn_nlevels; /* 1=dn_blkptr->data blocks */ - uint8_t dn_nblkptr; /* length of dn_blkptr */ - uint8_t dn_bonustype; /* type of data in bonus buffer */ - uint8_t dn_checksum; /* ZIO_CHECKSUM type */ - uint8_t dn_compress; /* ZIO_COMPRESS type */ - uint8_t dn_flags; /* DNODE_FLAG_* */ - uint16_t dn_datablkszsec; /* data block size in 512b sectors */ - uint16_t dn_bonuslen; /* length of dn_bonus */ - uint8_t dn_pad2[4]; - - /* accounting is protected by dn_dirty_mtx */ - uint64_t dn_maxblkid; /* largest allocated block ID */ - uint64_t dn_used; /* bytes (or sectors) of disk space */ - - uint64_t dn_pad3[4]; - - blkptr_t dn_blkptr[1]; - uint8_t dn_bonus[DN_MAX_BONUSLEN - sizeof(blkptr_t)]; - blkptr_t dn_spill; -} dnode_phys_t; - -#endif /* _SYS_DNODE_H */ |